1493048957 has 4 divisors (see below), whose sum is σ = 1504805376. Its totient is φ = 1481292540.

The previous prime is 1493048951. The next prime is 1493048981. The reversal of 1493048957 is 7598403941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1493048957 - 2⁸ = 1493048701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493048951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5878019 + ... + 5878272.

It is an arithmetic number, because the mean of its divisors is an integer number (376201344).

Almost surely, 2^1493048957 is an apocalyptic number.

It is an amenable number.

1493048957 is a deficient number, since it is larger than the sum of its proper divisors (11756419).

1493048957 is a wasteful number, since it uses less digits than its factorization.

1493048957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11756418.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 1493048957 is about 38639.9916796057. The cubic root of 1493048957 is about 1142.9432913118.

The spelling of 1493048957 in words is "one billion, four hundred ninety-three million, forty-eight thousand, nine hundred fifty-seven".